M 4.5 earthquake: Philippine Sea (Surigao, Philippines) — December 24, 1997

M 4.5 earthquake: Philippine Sea (Surigao, Philippines) — December 24, 1997. Epicenter 87 km N of Surigao, depth 106 km, 01:47 Local (1997-12-23 17:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (87 km N of Surigao, Philippines) — 10.521, 125.744

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